Page 49 of 541

also cause additional injuries, e.g. in
the
ev ent of an accident. #
Alw ays lock rear seat backrests af ter
fi tting TopTe ther belts. #
Obser vethe lock verification indicator. If
th e seat backrest is not engaged and loc ked,
th is will be shown in the multifunction display in
th e instrument clus ter.
The risk of injury can be reduced byTopTe ther
as TopTe ther pr ovides an additional connection
between thech ild restra int sy stem secured with
ISOFIX or i-Size and theve hicle.
The child restra int sy stem must be equipped
with a TopTe ther belt. #
If necessar y,mo vehead restra int 1
upwards (→ page91). #
Fold up co ver2 ofTopTe ther anchorage
3. #
Fitthe ISOFIX or i-Size child restra int sy stem
with TopTe ther. Alw ays comply with thech ild
re stra int sy stem manufacturer's ins tallation
instructions when doing so. #
Route TopTe ther belt 5under head
re stra int 1 between the two head restra int
bars. #
Hook TopTe ther hook 4ofTopTe ther belt
5 without twisting into TopTe ther anchor‐
age 3. #
Tension TopTe ther belt 5. Alw ays comply
with thech ild restra int sy stem manufactur‐
er's ins tallation instructions when doing so. #
Fold down co ver2 ofTopTe ther anchorage
3. #
If necessar y,mo vehead restra int 1 down‐
wa rds (→ page 91). Make sure that you do 46
Occupant saf ety
Page 50 of 541

not inter
fere with the cor rect routing of To p
Te ther belt 5. Child
restra int sy stems on the front
passenger seat Note
s onchild restra int sy stems on the front
passenger seat
Ac cident statistics show that children secured in
th ere ar seats are safer than children secured in
th e front seats. Forth is reason, Mercedes-Benz
stro ngly advises that you ins tall a child restra int
sy stem on a rear seat.
If it is absolutely necessary toins tall a child
re stra int sy stem on the front passenger seat,
alw ays obser vethe information on the automatic
front passenger airbag shutoff .
By doing this, you can avoidrisks caused by:
R Ach ild restra int sy stem that is not de tected
by the automatic front passenger airbag
shutoff.
R The unintentionally disabled front passenger
airbag. R
Incor rect positioning of thech ild restra int
sy stem. Wa
rning notice on the front-passen ger sun
visor: &
WARNING Risk of inju ryor death caused
by using a rear wa rd-facing child restra int
sy stem when the front passenger airbag
is enabled
If yo u secure a child in a rear wa rd-facing
ch ild restra int sy stem on the front passenger
seat and thePA SSENGER AIR BAG OFF indi‐
cator lamp is off, the front passenger airbag
can deploy in theev ent of an accident. The
child could be stru ck bythe airbag.
Alw ays make sure that the front passenger
airbag is disabled. The PASSENGER AIR BAG
OFF indicator lamp must be lit. NEVER use a
rear wa rdfacing child restra int on a
seat pr otected byan ACTIVE FRONT AIRB AGin
front of it; DE ATH or SERIOUS INJU RYtothe
CH ILD can occur.
If th ePA SSENGER AIR BAG OFF indicator lamp
goes out, the front passenger airbag is enabled.
Be sure toobser vethe no tes on the safe trans‐
por tation of children (→ page 42).
Ve hicles without the automatic front
passenger airbag shu toff
Ve hicles without automatic front passenger air‐
bag shutoff ha vea special sticke r af fixe dto the
side of the cockpit on the front passenger side. Occupant saf
ety47
Page 51 of 541

Ne
ver ins tall a rear wa rd-facing child restra int
sy stem on the front passenger seat:
Make sure you obse rveth efo llowing informa‐
tion:
R Onforw ard-facing and rear wa rd-facing child
re stra int sy stems on the front passenger seat
(→ page 48).
R On attaching suitable child restra int sy stems
(→ page 49). Fo
rw ard-facing and rear wa rd-facing child
re stra int sy stems on the front passenger
seat
When using a rear wa rd-facing child restra int sys‐
te m on the front passenger seat, the front
passenger airbag must alw ays be disabled. This
is only the case if thePA SSENGER AIR BAG OFF
indicator lamp is lit continuously (→ page 38).
When using thech ild restra int sy stem on the
front passenger seat, it is essential toobser ve
th efo llowing:
R Movethe front passenger seat as far back as
possible.
R Set the seat backrest toan almost vertical
position.
R Retract the seat cushion length as far as pos‐
sible.
R The entire base of thech ild restra int sy stem
must alw aysre st on the sitting sur face of the
front passenger seat.
R The backrest of thefo rw ard-facing child
re stra int sy stem must, as far as possible, be
re sting on the seat backrest of the front
passenger seat. The child restra int sy stem must not
touch thero of or be put under
st ra in by the head restra ints.
R If necessar y,adjust the angle of the seat
backrest and the head restra int position
according ly.
R Movethe seat cushion inclination tothe
highest, most vertical position.
R Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat belt
outlet of theve hicle tothe shoulder belt
guide on thech ild restra int sy stem. The
shoulder belt stra p must be routed forw ards
and down wards from the seat belt outlet.
R If necessar y,adjust the seat belt outlet and
th e front passenger seat accordingly.
R Never place objects, e.g. a cushion, under or
behind thech ild restra int sy stem.
Alw ays comply with the manufacturer's ins talla‐
tion and operating instructions forth ech ild
re stra int sy stem used, and the no tes on fitting
suitable child restra int sy stems (→ page 49). 48
Occupant saf ety
Page 52 of 541
Suitability of
the seats forch ild restra int sys‐
te ms Note
s on attaching suitable child restra int
sy stems
Only child restra int sy stems with thefo llowing
ECE standards are permit tedfo r use in theve hi‐
cle:
R ECE R44
R ECE-R129 (i-Size child restra int sy stems)
Examples of appr oval labels on child restra int
sy stems: Label
forch ild restra int sy stems in accord‐
ance with ECE R-44 Label
forch ild restra int sy stems in accord‐
ance with ECE R-12 9
ISOFIX or i-Size child restra int sy stems of thefo l‐
lowing “Universal“ category can be used, in
accordance with theta bles on suitability of seats
fo rth e atta chment of child restra int sy stems, on
seats mar kedU, UF, IUF or i-U. Occupant saf
ety49
Page 53 of 541

Semi-uni
versal ch ild restra int sy stems are indi‐
cated bythete xt "semi-uni versal" on the
appr oval label. They can on ly beused if theve hi‐
cle and the seat are lis ted in thech ild restra int
sy stem manufacturer's vehicle model list.
Suitability of seats for attaching belt-
secu redch ild restra int sy stems
Obser vethefo llowing information:
R When using a baby car seat of the cate‐
gory 0/0+ and a rear wa rd-facing child
re stra int sy stem on a rear seat: adjustthe
driver's and front passenger seat such that
th e seat does not touch thech ild restra int
sy stem.
R You can ha vethe head restra ints of there ar
seats remo ved and ins talled byaqu alified specialist
workshop. This may be necessary
fo rth e use of cer tain child restra int sy stems.
R For cer tain child restra int sy stems in weight
categories II or III, there might be restrictions
in the maximum size setting, e.g. due topos‐
sible con tact wi th thero of.
R Make sure that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y.
R The child restra int sy stem must not touch the
ro of or be put under stra in by the head
re stra ints. Adjust the head restra ints accord‐
ingly.
R Obser vethe manufacturer's ins tallation
instructions forth ech ild restra int sy stem. Legend
for the table:
X Not suitable forch ildren in this we ight
categor y.
U Suitable forch ild restra int sy stems of
th e "Universal" category in this we ight
categor y.
UF Suitable forfo rw ard-facing child
re stra int sy stems of the "Universal" cat‐
egory in this we ight categor y.
L Suitable for semi-universal child
re stra int sy stems according totheta ble
in "Recommended child restra int sys‐
te ms", or if theve hicle and the seat are
lis ted in thech ild restra int sy stem man‐
ufacturer's vehicle model list. We
ight categories
Front passenger airbag enabled 1
Front passenger airbag disa‐
bled 1, 2 Re
ar seat left, right
Category 0: upto10 kg XU ,LU , L
Category 0+: upto13 kg XU ,LU , L50
Occupant saf ety
Page 54 of 541

We
ight categories
Front passenger airbag enabled 1
Front passenger airbag disa‐
bled 1, 2 Re
ar seat left, right
Category I: 9to 18 kg UF,LU ,LU , L
Category II: 15to25 kg UF,LU ,LU , L
Category III: 22to36 kg UF,LU ,LU , L
1 Ad just the seat cushion inclination tothe highest/s teepest position and set the seat backrest toan upright position.
2 The vehicle is equipped with an automatic front passenger airbag shutoff. The PASSENGER AIR BAG OFF indicator lamp must be lit. Suitability of
the seats for attaching ISOFIX
ch ild restra int sy stems
Obser vethefo llowing information:
R When using a baby car seat of cate‐
gory 0/0+ and a rear wa rd-facing child
re stra int sy stem of category I on a rear
seat: adjustthe driver's and front passenger
seat such that the seat does not touch the
ch ild restra int sy stem.
R You can ha vethe head restra ints of there ar
seats remo ved and ins talled byaqu alified specialist
workshop. This may be necessary
fo rth e use of cer tain child restra int sy stems.
R For cer tain child restra int sy stems in weight
categories II or III, there might be restrictions
in the maximum size setting, e.g. due topos‐
sible con tact wi th thero of.
R Make sure that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y.
R The child restra int sy stem must not touch the
ro of or be put under stra in by the head re
stra ints. Adjust the head restra ints accord‐
ingly.
R Obser vethe manufacturer's ins tallation
instructions forth ech ild restra int sy stem. Occupant saf
ety51
Page 55 of 541
Legend
for the table:
X Not suitable for an ISOFIX child
re stra int sy stem in this we ight category
and/or size categor y.
IUF Suitable forfo rw ard-facing ISOFIX child
re stra int sy stems of the"Universal" cat‐
egory in this we ight categor y. IL
Suitable for ISOFIX child restra int sys‐
te ms according totheta ble in "Over‐
view of there commended child
re stra int sy stems", or if theve hicle and
th e seat are lis ted in thech ild restra int
sy stem manufacturer's vehicle model
list. We
ight categories Size categoryEquipment Rear seat
Left ,ri ght
Car rycotF
GISO/L1
ISO/L2X
X
Category 0:up to10 kgand appr ox. 6 months EISO/R1I L
Category 0+: upto13 kgand appr ox.15 months E
D
CISO/R1
ISO/R2
ISO/R3IL
IL
IL
1 52
Occupant saf ety
Page 56 of 541

We
ight categories Size categoryEquipment Rear seat
Left ,ri ght
Category I: 9to 18 kgand between appr ox. 9 months and 4 yearsD
C
B
B1
A ISO/R2
ISO/R3
ISO/F2
ISO/F2X
ISO/F3IL
IL
1
IUF
IUF
X
1 When using a child restra int sy stem of size category C (ISO/R3), mo vethe front seat tothe highest position and mo vethe seat backrest toan
upright position. Make sure that the seat backrest of the front seat does not rest against thech ild restra int sy stem. Suitability of
the seats for attaching i‑Size
ch ild restra int sy stems
Obser vethefo llowing information:
R When using a rear wa rd-facing child
re stra int sy stem: adjust the front seat so
th at it does not touch thech ild restra int sys‐
te m.
R You can ha vethe head restra ints of there ar
seats remo ved and ins talled byaqu alified specialist
workshop. This may be necessary
fo rth e use of cer tainch ild restra int sy stems.
R Make sure that thech ild's feet do not touch
th e front seat. If necessar y,mo vethe front
seat forw ard slightl y.
R Obser vethe manufacturer's ins tallation
instructions forth ech ild restra int sy stem. Legend
for the table:
X Not suitable for an i-Size child restra int
sy stem in the "Universal" categor y.
i‑U Suitable forfo rw ard-facing and rear‐
wa rd-facing i-Size child restra int sys‐
te ms in the "Universal" categor y. Occupant saf
ety53